They all suck.

Sorry, but you know it's true. Posturing Bishie's all four of them without any real motivation. Sephiroth himself is the lame of lame, so he killed a church girl, burned a town, summoned a meteor, then hid in a crater for the rest of the game. So why do people like this guy? I find his entire tantrum after he finds out his heritage is beyond forced. He spends his life being a loyal soldier, and because he finds out that he's actually an alien with better hair, he decides to wipe out all life just to gain power? Yah right there pantene pro V poster boy. Even back in 1997 when this game was hailed as the second coming I thought this guy was pretty bland in comparison to the almighty kefka, and he was even more redundant in the film.

As for the three seph spawns, maybe someday when they get any development as characters in a new game or movie, there will be something to say about them. As they were they were the most banal and redundant of plot devices, just with nice hair.